USPTO serial 72206312
TE
Reviewed by CopyMark Law Group
Reg. 0822293Status 900
- Filing date
- Status date
- Registration date
- Jan 17, 1967
- Examiner
- —
- Law office
- —
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | SOLAR HEATED THERMIONIC DIODES, ISOTOPE FUELED ELECTRIC POWER CONVERTERS, MAGNETO HYDRODYNAMIC GENERATORS, THERMO-ELECTRON ENGINES UTILIZING THE "EDISON EFFECT," ISOTOPE FUELED THERMIONIC CONVERTERS, GAS-FIRED THERMIONIC GENERATORS AND SOLAR THERMIONIC GENERATORS | EXPIRED | Mar 14, 1960 |
| 026 | CESIUM THERMIONIC CONVERTERS FOR TESTING AND EVALUATING THE EFFICIENCY AND AMOUNT OF ELECTRICAL ENERGY OBTAINED FROM THE CONVERSION OF THERMAL ENERGY TO ELECTRICAL ENERGY, AND MAGNETO HYDRODYNAMIC GENERATORS | ACTIVE | Mar 14, 1960 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 17, 1987 | EXRG | EXPIRED SEC. 9 | — |